(EnergyAsia, January 20 2011, Thursday) — PetroChina Co Ltd is selling its entire stake in a storage company to its parent, China National Petroleum Corp (CNPC), for RMB2.11 billion in line with its restructuring strategy.(US$1=RMB6.6). PetroChina said it will use the proceeds from the sale of its holdings in PetroChina Guangxi Oil Storage Ltd to…